#!/usr/bin/env python
#    Copyright (C) 2012  Nicholas Wilde <ncwilde43@gmail.com>
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
"""Checks the integrity of the inputs"""

import re

# Check mac input integrity.
# Taken from Joel Juvenal Rivera Rivera's <rivera@joel.mx>
# awake-0.7.1/bin/awake.py
def checkMac(mac):
    macrex = re.compile(r'^([0-9a-fA-F]{2}([:-]|$)){6}$')
    if macrex.match(mac): return True
    return False
        
# Check broadcast input integrity.
# Taken from Joel Juvenal Rivera Rivera's <rivera@joel.mx>
# awake-0.7.1/bin/awake.py
def checkBroadcast(broadcast):                
    iprex = re.compile(r'\b(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}'\
        r'(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\b')
    if iprex.match(broadcast): return True
    return False

# Check port input integrity
def checkPort(port):
    try:
        int(port)
        return True
    except ValueError:
        return False